1,3,5-Trioxane
- Formula: C3H6O3
- Molecular weight: 90.0779
- IUPAC Standard InChIKey: BGJSXRVXTHVRSN-UHFFFAOYSA-N
- CAS Registry Number: 110-88-3
- Chemical structure:
This structure is also available as a 2d Mol file or as a computed 3d SD file
The 3d structure may be viewed using Java or Javascript. - Other names: s-Trioxane; Formaldehyde, trimer; Triformol; Trioxan; Trioxane; Trioxymethylene; Metaformaldehyde; sym-Trioxane; Trioxin; 1,3,5-Trioxan; s-Trioxan; s-Trixane; Aldeform; Formagene; Marvosan; Paraformaldehyde; Triossimetilene; Trioxymethyleen; Trioxymethylen; 1,3,5-Trioxacyclohexane; NSC 26347
- Permanent link for this species. Use this link for bookmarking this species for future reference.
- Information on this page:
- Data at other public NIST sites:
- Options:
Data at NIST subscription sites:
NIST subscription sites provide data under the NIST Standard Reference Data Program, but require an annual fee to access. The purpose of the fee is to recover costs associated with the development of data collections included in such sites. Your institution may already be a subscriber. Follow the links above to find out more about the data in these sites and their terms of usage.
Gas phase thermochemistry data
Go To: Top, Condensed phase thermochemistry data, Phase change data, Reaction thermochemistry data, Gas phase ion energetics data, Mass spectrum (electron ionization), Gas Chromatography, References, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Data compiled as indicated in comments:
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
DRB - Donald R. Burgess, Jr.
GT - Glushko Thermocenter, Russian Academy of Sciences, Moscow
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔfH°gas | -465.76 ± 0.50 | kJ/mol | Ccr | Mansson, Morawetz, et al., 1969 | ALS |
ΔfH°gas | -489.5 | kJ/mol | N/A | Walker and Carlisle, 1943 | Value computed using ΔfHsolid° value of -546.0±11.0 kj/mol from Walker and Carlisle, 1943 and ΔsubH° value of 56.5 kj/mol from Mansson, Morawetz, et al., 1969.; DRB |
ΔfH°gas | -464.0 | kJ/mol | N/A | Delepine and Badoche, 1942 | Value computed using ΔfHsolid° value of -520.5 kj/mol from Delepine and Badoche, 1942 and ΔsubH° value of 56.5 kj/mol from Mansson, Morawetz, et al., 1969.; DRB |
Quantity | Value | Units | Method | Reference | Comment |
S°gas | 284.9 ± 3.4 | J/mol*K | N/A | Clegg G.A., 1968 | GT |
Constant pressure heat capacity of gas
Cp,gas (J/mol*K) | Temperature (K) | Reference | Comment |
---|---|---|---|
33.50 | 50. | Dorofeeva O.V., 1992 | p=1 bar. Selected values are in close agreement with those calculated by [ Melia T.P., 1967].; GT |
38.63 | 100. | ||
47.52 | 150. | ||
57.69 | 200. | ||
75.24 | 273.15 | ||
81.9 ± 3.5 | 298.15 | ||
82.38 | 300. | ||
109.75 | 400. | ||
134.80 | 500. | ||
155.90 | 600. | ||
173.34 | 700. | ||
187.80 | 800. | ||
199.87 | 900. | ||
210.02 | 1000. | ||
218.60 | 1100. | ||
225.89 | 1200. | ||
232.12 | 1300. | ||
237.45 | 1400. | ||
242.05 | 1500. |
Condensed phase thermochemistry data
Go To: Top, Gas phase thermochemistry data, Phase change data, Reaction thermochemistry data, Gas phase ion energetics data, Mass spectrum (electron ionization), Gas Chromatography, References, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Data compiled as indicated in comments:
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
DH - Eugene S. Domalski and Elizabeth D. Hearing
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔfH°solid | -522.3 ± 0.4 | kJ/mol | Ccr | Mansson, Morawetz, et al., 1969 | ALS |
ΔfH°solid | -546. ± 11. | kJ/mol | Ccb | Walker and Carlisle, 1943 | ALS |
ΔfH°solid | -520.49 | kJ/mol | Ccb | Delepine and Badoche, 1942 | Author's hf298_condensed=-125.55 kcal/mol; ALS |
Quantity | Value | Units | Method | Reference | Comment |
ΔcH°solid | -1515.3 | kJ/mol | Ccb | Hayes, 1971 | Corresponding ΔfHºsolid = -522.71 kJ/mol (simple calculation by NIST; no Washburn corrections); ALS |
ΔcH°solid | -1515.7 ± 0.3 | kJ/mol | Ccr | Mansson, Morawetz, et al., 1969 | Corresponding ΔfHºsolid = -522.33 kJ/mol (simple calculation by NIST; no Washburn corrections); ALS |
ΔcH°solid | -1492. ± 1. | kJ/mol | Ccb | Walker and Carlisle, 1943 | Corresponding ΔfHºsolid = -545.6 kJ/mol (simple calculation by NIST; no Washburn corrections); ALS |
ΔcH°solid | -1518. | kJ/mol | Ccb | Delepine and Badoche, 1942 | Author's hf298_condensed=-125.55 kcal/mol; Corresponding ΔfHºsolid = -520.5 kJ/mol (simple calculation by NIST; no Washburn corrections); ALS |
Quantity | Value | Units | Method | Reference | Comment |
S°solid,1 bar | 142.89 | J/mol*K | N/A | van Bommel, van Miltenburg, et al., 1988 | DH |
S°solid,1 bar | 133.0 | J/mol*K | N/A | Clegg, Melia, et al., 1968 | DH |
Constant pressure heat capacity of solid
Cp,solid (J/mol*K) | Temperature (K) | Reference | Comment |
---|---|---|---|
113.08 | 298.15 | van Bommel, van Miltenburg, et al., 1988 | T = 10 to 350 K.; DH |
111.4 | 298.15 | Clegg, Melia, et al., 1968 | T = 80 to 310 K.; DH |
Phase change data
Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Reaction thermochemistry data, Gas phase ion energetics data, Mass spectrum (electron ionization), Gas Chromatography, References, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Data compiled as indicated in comments:
TRC - Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny director
AC - William E. Acree, Jr., James S. Chickos
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
DRB - Donald R. Burgess, Jr.
DH - Eugene S. Domalski and Elizabeth D. Hearing
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
Tfus | 335.65 | K | N/A | Le Fevre, Sundaram, et al., 1963 | Uncertainty assigned by TRC = 1.5 K; TRC |
Quantity | Value | Units | Method | Reference | Comment |
Ttriple | 333.44 | K | N/A | Van Bommel, van Miltenburg, et al., 1988 | Crystal phase 1 phase; Uncertainty assigned by TRC = 0.02 K; TRC |
Quantity | Value | Units | Method | Reference | Comment |
ΔsubH° | 55. ± 6. | kJ/mol | AVG | N/A | Average of 6 values; Individual data points |
Enthalpy of vaporization
ΔvapH (kJ/mol) | Temperature (K) | Method | Reference | Comment |
---|---|---|---|---|
40.0 | 344. | A | Stephenson and Malanowski, 1987 | Based on data from 329. to 386. K. See also Serebryannaya and Byk, 1965.; AC |
Enthalpy of sublimation
ΔsubH (kJ/mol) | Temperature (K) | Method | Reference | Comment |
---|---|---|---|---|
57.9 | 223. | TE,ME | De Wit, Van Miltenburg, et al., 1983 | Based on data from 212. to 231. K.; AC |
Enthalpy of fusion
ΔfusH (kJ/mol) | Temperature (K) | Reference | Comment |
---|---|---|---|
15.105 | 333.44 | van Bommel, van Miltenburg, et al., 1988 | DH |
15.1 | 333.4 | Domalski and Hearing, 1996 | See also Acree, 1991.; AC |
Reaction thermochemistry data
Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Gas phase ion energetics data, Mass spectrum (electron ionization), Gas Chromatography, References, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Data compiled by: Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
Note: Please consider using the reaction search for this species. This page allows searching of all reactions involving this species. A general reaction search form is also available. Future versions of this site may rely on reaction search pages in place of the enumerated reaction displays seen below.
Individual Reactions
By formula: 4C3H6O3 = 3C4H8O4
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 12. ± 0.8 | kJ/mol | Cm | Bogdanova, Bonetskaya, et al., 1971 | crystal phase |
By formula: C3H6O3 = 3CH2O
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 194.0 ± 2.5 | kJ/mol | Eqk | Busfield and Merigold, 1969 | solid phase |
By formula: 3CH2O = C3H6O3
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | -139.2 ± 2.1 | kJ/mol | Eqk | Busfield and Merigold, 1969 | gas phase |
Gas phase ion energetics data
Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Reaction thermochemistry data, Mass spectrum (electron ionization), Gas Chromatography, References, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Data compiled as indicated in comments:
LLK - Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi
RDSH - Henry M. Rosenstock, Keith Draxl, Bruce W. Steiner, and John T. Herron
Ionization energy determinations
IE (eV) | Method | Reference | Comment |
---|---|---|---|
10.3 | PE | Sweigart and Turner, 1972 | LLK |
10.59 ± 0.05 | EI | Kumakura, Sugiura, et al., 1968 | RDSH |
~10.8 | PE | Sweigart and Turner, 1972 | Vertical value; LLK |
Appearance energy determinations
Ion | AE (eV) | Other Products | Method | Reference | Comment |
---|---|---|---|---|---|
CHO+ | 13.59 ± 0.05 | ? | EI | Kumakura, Sugiura, et al., 1968 | RDSH |
CH3O+ | 11.49 ± 0.05 | ? | EI | Kumakura, Sugiura, et al., 1968 | RDSH |
C2H5O2+ | 10.79 ± 0.05 | CHO? | EI | Kumakura, Sugiura, et al., 1968 | RDSH |
C3H5O3+ | 10.59 ± 0.05 | H | EI | Kumakura, Sugiura, et al., 1968 | RDSH |
Mass spectrum (electron ionization)
Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Reaction thermochemistry data, Gas phase ion energetics data, Gas Chromatography, References, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Data compiled by: NIST Mass Spectrometry Data Center, William E. Wallace, director
Spectrum
Notice: This spectrum may be better viewed with a Javascript and HTML 5 enabled browser.
Additional Data
View image of digitized spectrum (can be printed in landscape orientation).
Due to licensing restrictions, this spectrum cannot be downloaded.
Owner | NIST Mass Spectrometry Data Center Collection (C) 2014 copyright by the U.S. Secretary of Commerce on behalf of the United States of America. All rights reserved. |
---|---|
Origin | Japan AIST/NIMC Database- Spectrum MS-NW-1446 |
NIST MS number | 229021 |
Gas Chromatography
Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Reaction thermochemistry data, Gas phase ion energetics data, Mass spectrum (electron ionization), References, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Data compiled by: NIST Mass Spectrometry Data Center, William E. Wallace, director
Kovats' RI, non-polar column, isothermal
Column type | Active phase | Temperature (C) | I | Reference | Comment |
---|---|---|---|---|---|
Packed | Apiezon L | 120. | 650. | Bogoslovsky, Anvaer, et al., 1978 | Celite 545 |
Packed | Apiezon L | 160. | 660. | Bogoslovsky, Anvaer, et al., 1978 | Celite 545 |
Normal alkane RI, non-polar column, isothermal
Column type | Active phase | Temperature (C) | I | Reference | Comment |
---|---|---|---|---|---|
Packed | Apieson L | 120. | 658. | Kurdina, Markovich, et al., 1969 | not specified, not specified |
Normal alkane RI, polar column, custom temperature program
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | DB-Wax | 1167. | Peng, Yang, et al., 1991 | Program: not specified |
References
Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Reaction thermochemistry data, Gas phase ion energetics data, Mass spectrum (electron ionization), Gas Chromatography, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Mansson, Morawetz, et al., 1969
Mansson, M.; Morawetz, E.; Nakase, Y.; Sunner, S.,
The enthalpies of formation of trioxane and tetroxane,
Acta Chem. Scand., 1969, 23, 56-60. [all data]
Walker and Carlisle, 1943
Walker, J.F.; Carlisle, P.J.,
Trioxane,
Chem. Eng. News, 1943, 21, 1250-1251. [all data]
Delepine and Badoche, 1942
Delepine, M.; Badoche, M.,
Thermochimie de l'aldehyde formique, de l'hexamethylene-tetramine et de ses derive,
C. R. Acad. Sci. Paris, 1942, 214, 777-780. [all data]
Clegg G.A., 1968
Clegg G.A.,
Thermodynamics of polymerization of heterocyclic compounds. I. The heat capacity, entropy, and enthalpy of trioxane,
Polymer, 1968, 9, 75-79. [all data]
Dorofeeva O.V., 1992
Dorofeeva O.V.,
Ideal gas thermodynamic properties of oxygen heterocyclic compounds. Part 2. Six-membered, seven-membered and eight-membered rings,
Thermochim. Acta, 1992, 200, 121-150. [all data]
Melia T.P., 1967
Melia T.P.,
Thermodynamics of addition polymerization. I. The system trioxane-polyoxymethylene,
J. Appl. Chem., 1967, 17, 15-17. [all data]
Hayes, 1971
Hayes, C.W.,
Bomb calorimetric studies on normal alkan-1-ols, steroregular polymethylmethacrylates, α-olefinic polymers, trioxane and oxygenated polymers,
Diss. Abs., 1971, 31, 5903-5904. [all data]
van Bommel, van Miltenburg, et al., 1988
van Bommel, M.J.; van Miltenburg, J.C.; Schuijff, A.,
Heat-capacity measurements and thermodynamic functions of 1,3,5-triazine and 1,3,5-trioxane,
J. Chem. Thermodynam., 1988, 20, 397-403. [all data]
Clegg, Melia, et al., 1968
Clegg, G.A.; Melia, T.P.; Tyson, A.,
Thermodynamics of polymerization of heterocyclic compounds. I. The heat capacity, entropy and enthalpy of trioxan,
Polymer, 1968, 9(2), 75-79. [all data]
Le Fevre, Sundaram, et al., 1963
Le Fevre, R.J.W.; Sundaram, A.; Pierens, R.K.,
Molecular Polarisability: the Anisotropy of the Carbon-Oxygen Link,
J. Chem. Soc., 1963, 1963, 479-488. [all data]
Van Bommel, van Miltenburg, et al., 1988
Van Bommel, M.J.; van Miltenburg, J.C.; Schuijff, A.,
Heat Capacity Measurements and Thermodynamic Functions of 1,3,5- Triazine and 1,3,5-Trioxane,
J. Chem. Thermodyn., 1988, 20, 397-403. [all data]
Stephenson and Malanowski, 1987
Stephenson, Richard M.; Malanowski, Stanislaw,
Handbook of the Thermodynamics of Organic Compounds, 1987, https://doi.org/10.1007/978-94-009-3173-2
. [all data]
Serebryannaya and Byk, 1965
Serebryannaya, I.I.; Byk, S.Sh.,
Khim. Prom., 1965, 23, 828. [all data]
De Wit, Van Miltenburg, et al., 1983
De Wit, H.G.M.; Van Miltenburg, J.C.; De Kruif, C.G.,
Thermodynamic properties of molecular organic crystals containing nitrogen, oxygen, and sulphur 1. Vapour pressures and enthalpies of sublimation,
The Journal of Chemical Thermodynamics, 1983, 15, 7, 651-663, https://doi.org/10.1016/0021-9614(83)90079-4
. [all data]
Domalski and Hearing, 1996
Domalski, Eugene S.; Hearing, Elizabeth D.,
Heat Capacities and Entropies of Organic Compounds in the Condensed Phase. Volume III,
J. Phys. Chem. Ref. Data, 1996, 25, 1, 1, https://doi.org/10.1063/1.555985
. [all data]
Acree, 1991
Acree, William E.,
Thermodynamic properties of organic compounds: enthalpy of fusion and melting point temperature compilation,
Thermochimica Acta, 1991, 189, 1, 37-56, https://doi.org/10.1016/0040-6031(91)87098-H
. [all data]
Bogdanova, Bonetskaya, et al., 1971
Bogdanova, K.A.; Bonetskaya, A.K.; Berlin, A.A.; Rakova, G.V.; Enikolopyan, N.S.,
Thermal effects of trioxane and tetraoxane polymerization,
Dokl. Akad. Nauk SSSR, 1971, 197, 618-620. [all data]
Busfield and Merigold, 1969
Busfield, W.K.; Merigold, D.,
The gas-phase equilibrium between trioxan and formaldehyde: The standard enthalpy and entropy of the trimerisation of formaldehyde,
J. Chem. Soc. A, 1969, 19, 2975-2977. [all data]
Sweigart and Turner, 1972
Sweigart, D.A.; Turner, D.W.,
Lone pair orbitals and their interactions studied by photoelectron spectroscopy. II. Equivalent orbitals in saturated oxygen and sulfur J. Heterocycl. Chem.,
J. Am. Chem. Soc., 1972, 94, 5599. [all data]
Kumakura, Sugiura, et al., 1968
Kumakura, M.; Sugiura, T.; Okamura, S.,
Characteristics of RPD ion source of time-of-flight mass spectrometer, and measurement of the ionization potential and the appearance potentials of trioxymethylene,
Mass Spectry. (Tokyo), 1968, 16, 16. [all data]
Bogoslovsky, Anvaer, et al., 1978
Bogoslovsky, Yu.N.; Anvaer, B.I.; Vigdergauz, M.S.,
Chromatographic constants in gas chromatography (in Russian), Standards Publ. House, Moscow, 1978, 192. [all data]
Kurdina, Markovich, et al., 1969
Kurdina, Z.G.; Markovich, V.E.; Sakharov, V.M.,
Gas chromatography of cyclic O-containing compounds
in Gas chromatography, Issue # 10, NIITEKhim, Moscow, 1969, 128-133. [all data]
Peng, Yang, et al., 1991
Peng, C.T.; Yang, Z.C.; Ding, S.F.,
Prediction of rentention idexes. II. Structure-retention index relationship on polar columns,
J. Chromatogr., 1991, 586, 1, 85-112, https://doi.org/10.1016/0021-9673(91)80028-F
. [all data]
Notes
Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Reaction thermochemistry data, Gas phase ion energetics data, Mass spectrum (electron ionization), Gas Chromatography, References
- Symbols used in this document:
AE Appearance energy Cp,gas Constant pressure heat capacity of gas Cp,solid Constant pressure heat capacity of solid S°gas Entropy of gas at standard conditions S°solid,1 bar Entropy of solid at standard conditions (1 bar) Tfus Fusion (melting) point Ttriple Triple point temperature ΔcH°solid Enthalpy of combustion of solid at standard conditions ΔfH°gas Enthalpy of formation of gas at standard conditions ΔfH°solid Enthalpy of formation of solid at standard conditions ΔfusH Enthalpy of fusion ΔrH° Enthalpy of reaction at standard conditions ΔsubH Enthalpy of sublimation ΔsubH° Enthalpy of sublimation at standard conditions ΔvapH Enthalpy of vaporization - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
- The National Institute of Standards and Technology (NIST) uses its best efforts to deliver a high quality copy of the Database and to verify that the data contained therein have been selected on the basis of sound scientific judgment. However, NIST makes no warranties to that effect, and NIST shall not be liable for any damage that may result from errors or omissions in the Database.
- Customer support for NIST Standard Reference Data products.